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If you are unsure of your fit, we recommend visiting an authorised dealer to be professionally fitted
Click here to find a storeCustom-fit backpacks are Osprey's Legacy. Our expertise in designing backpacks that fit every shape, size and gender dates back to 1974, when Osprey was founded on designing custom packs for mountaineers headed to the Sierra.
As the leader in custom-fit backpacks, our pack-fitting technique ensures a properly fitting pack that maximizes efficiency, comfort and safety both on and off the trail.
Fit should not be compromised for any other considerations. Body shape and sizing varies from customer to customer. Not every customer will fit every pack. Adjustable packs allow customers to fine-tune the fit for optimal carry performance.
Many Osprey packs are available in multiple sizes to fit a range of torso lengths. To determine your torso measurement, please see diagram below.
| Torso | 14"(35.5cm) | 15"(38cm) | 16"(40.5cm) | 17"(43cm) | 18"(46cm) | 19"(48cm) | 20"(51cm) | 21"(53cm) | 22"(56cm) | 23"(58.5cm) | 24"(61cm) | 25"(63.5cm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aether Plus | Aether | - | - | - | S/M | S/M | S/M or L/XL | S/M or L/XL | S/M or L/XL | L/XL | L/XL | ||
| Aether Pro | - | - | - | S/M | S/M | S/M or L/XL | S/M or L/XL | L/XL | L/XL | L/XL | - | |
| Atmos AG™ | - | - | - | S/M | S/M | S/M OR L/XL | S/M OR L/XL | S/M OR L/XL | L/XL | L/XL | - | |
| Atmos AG LT | - | - | - | S/M | S/M | S/M | S/M | L/XL | L/XL | L/XL | - | |
| New 2025 | ||||||||||||
Talon 11, 22, 26, 33 / Extended fit 22, 33 |
- | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | |
| New 2025 Talon 44 | - | - | S/M | S/M | S/M | S/M or L/XL | L/XL | L/XL | L/XL | L/XL | - | |
Talon | Talon Pro | Talon Velocity |
- | - | S/M | S/M | S/M or L/XL | S/M OR L/XL | L/XL | L/XL | - | - | ||
| Talon 6 | O/S HIPBELT FIT RANGE IS 25–50" (64–127 CM) | |||||||||||
| Rook | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | |
| Volt | - | - | - | O/S | O/S | O/S | O/S | OS | - | - | ||
| Exos | Exos Extended Fit | - | - | - | S/M | S/M | S/M OR L/X | S/M OR L/XL | L/XL | L/XL | L/XL | - | |
| Exos Pro | - | - | - | S/M | S/M | S/M or L/XL | S/M OR L/XL | L/XL | L/XL | L/XL | - | |
| Kestrel | - | - | - | S/M | S/M | S/M or L/XL | S/M or L/XL | S/M or L/XL | L/XL | L/XL | - | |
| Osprey UNLTD AG 32 | - | - | - | S/M | S/M | S/M or L/XL | S/M OR L/XL | L/XL | L/XL | L/XL | - | |
| Stratos | - | - | - | - | O/S | O/S | O/S | O/S | O/S | - | - | |
| Soelden Pro | Soelden | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | |
| Kamber 20,30 | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | |
| 14"(35.5cm) | 15"(38cm) | 16"(40.5cm) | 17"(43cm) | 18"(46cm) | 19"(48cm) | 20"(51cm) | 21"(53cm) | 22"(56cm) | 23"(58.5cm) | 24"(61cm) | 25"(63.5cm) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manta | Skarab | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | |
| Duro LT, 6, 1.5 | SMALL (30–35" / 75–90 CM.) MEDIUM (35–41" / 90–105 CM.) LARGE (41–47" / 105–120 CM.) — CHEST MEASUREMENT | |||||||||||
| Duro 15 | S/M (30–41" / 76–104 CM.) M/L (41–47" / 104–119 CM.) — CHEST MEASUREMENT | |||||||||||
Raptor | Raptor Extended Fit | Syncro / Siskin | Katari |
- | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | |
| 14"(35.5cm) | 15"(38cm) | 16"(40.5cm) | 17"(43cm) | 18"(46cm) | 19"(48cm) | 20"(51cm) | 21"(53cm) | 22"(56cm) | 23"(58.5cm) | 24"(61cm) | 25"(63.5cm) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Farpoint Travel Pack | - | - | - | - | O/S | O/S | O/S | O/S | O/S | - | - | |
| Farpoint Trek | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | |
| Ozone Duplex (M) | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - |
| Torso |
14"
(35.5cm)
|
15"
(38cm)
|
16"
(40.5cm)
|
17"
(43cm)
|
18"
(46cm)
|
19"
(48cm)
|
20"
(51cm)
|
21"
(53cm)
|
22"
(56cm)
|
23"
(58.5cm)
|
24"
(61cm)
|
25"
(63.5cm)
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hikelite 18, 26 | - | O/S | O/S | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - |
| Hikelite 28, 32 | - | S/M | S/M | S/M | S/M or M/L | S/M or M/L | M/L | M/L | M/L | - | - | - |
| Glade 5, 12 | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - |
| Firn 18, 28 | - | S/M | S/M | S/M | S/M or M/L | S/M or M/L | M/L | M/L | M/L | - | - | - |
| Osprey Sportlite 15, 20 | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - |
| Osprey Sportlite 25, 30 | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - | - |
| Mutant 22 | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - |
| Mutant 52, 38 | S/M | S/M | S/M | S/M or M/L | M/L | M/L | M/L | M/L | - | - | - | - |
| Zealot 30 | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - |
| Zealot 45 | S/M | S/M | S/M | S/M or M/L | M/L | M/L | M/L | M/L | - | - | - | - |
|
14"
(35.5cm)
|
15"
(38cm)
|
16"
(40.5cm)
|
17"
(43cm)
|
18"
(46cm)
|
19"
(48cm)
|
20"
(51cm)
|
21"
(53cm)
|
22"
(56cm)
|
23"
(58.5cm)
|
24"
(61cm)
|
25"
(63.5cm)
|
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Duro Dyna Belt | O/S HIPBELT FIT RANGE IS 24 – 45" (60 – 115 CM) | |||||||||||
| Raptor Pro | - | - | - | O/S | O/S | O/S | - | - | - | - | - | - |
| Savu | O/S HIPBELT FIT RANGE IS 26 – 50" (66 – 127 CM) | |||||||||||
| Seral | O/S HIPBELT FIT RANGE IS 26 – 50" (66 – 127 CM) | |||||||||||
|
14"
(35.5cm)
|
15"
(38cm)
|
16"
(40.5cm)
|
17"
(43cm)
|
18"
(46cm)
|
19"
(48cm)
|
20"
(51cm)
|
21"
(53cm)
|
22"
(56cm)
|
23"
(58.5cm)
|
24"
(61cm)
|
25"
(63.5cm)
|
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Radial | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - |
| Metron 26, 24 | - | O/S | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - | - |
|
14"
(35.5cm)
|
15"
(38cm)
|
16"
(40.5cm)
|
17"
(43cm)
|
18"
(46cm)
|
19"
(48cm)
|
20"
(51cm)
|
21"
(53cm)
|
22"
(56cm)
|
23"
(58.5cm)
|
24"
(61cm)
|
25"
(63.5cm)
|
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Poco SLT,
Poco LT, Poco, Poco Plus, Poco Premium | - | O/S | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - | - |
| Torso |
11"
(28cm)
|
12"
(30.5cm)
|
13"
(33cm)
|
14"
(35.5cm)
|
15"
(38cm)
|
16"
(40.5cm)
|
17"
(43cm)
|
18"
(46cm)
|
19"
(48cm)
|
20"
(51cm)
|
21"
(53cm)
|
22"
(56cm)
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ace 75 (age 12–17) | - | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - |
| Ace 50 | Ace 65 (age 8–14) | (age 10–17) | - | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - |
| Ace 38 (age 5–11) | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - | - |
| Jet 18 (age 8–14) | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - |
| Hydrajet (age 4–12) | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - | - | - |
| Daylite JR (age 4–12) | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - | - | - |
| Moki (age 4–12) | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - | - |
| Talon | Tempest JR (age 8–14) | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - |
| Raptor Jr | Raven Jr (age 6–14) | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - | - |
| Torso | 11" (28cm) | 12" (30.5cm) | 13" (33cm) | 14" (35.5cm) | 15" (38cm) | 16" (40.5cm) | 17" (43cm) | 18" (46cm) | 19" (48cm) | 20" (51cm) | 21" (53cm) | 22" (56cm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ariel Plus | Ariel | - | - | XS/S | XS/S | XS/S | XS/S or M/L | XS/S or M/L | M/L | M/L | M/L | - | - |
| Ariel Pro | - | - | XS/S | XS/S | XS/S | XS/S or M/L | XS/S or M/L | M/L | M/L | M/L | - | - |
| Aura AG | - | - | XS/S | XS/S | XS/S | XS/S or M/L | XS/S or M/L | M/L | M/L | M/L | - | - |
| Aura AG LT | - | - | XS/S | XS/S | XS/S | XS/S or M/L | XS/S or M/L | M/L | M/L | M/L | - | - |
| New 2025 Tempest 11, 22, 26, 33 Extended fit 22, 33 | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - |
| New 2025 Tempest 44 | - | - | XS/S | XS/S | XS/S | XS/S or M/L | XS/S or M/L | M/L | M/L | - | - | - |
| Tempest | Tempest Pro | Tempest Velocity | - | - | - | XS/S | XS/S | XS/S or M/L | XS/S or M/L | M/L | M/L | - | - | - |
| Tempest 6 | O/S HIPBELT FIT RANGE IS 24-44" (61-112 CM.) | |||||||||||
| Renn | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - |
| Viva | - | - | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - |
| Eja | Eja Extended Fit | - | - | XS/S | XS/S | XS/S | XS/S or M/L | XS/S or M/L | M/L | M/L | M/L | - | - |
| Eja Pro | - | - | XS/S | XS/S | XS/S | XS/S OR M/L | XS/S OR M/L | M/L | M/L | M/L | - | - |
| Kyte | - | - | XS/S | XS/S | XS/S | XS/S or M/L | XS/S or M/L | M/L | M/L | M/L | - | - |
| Osprey UNLTD AG 32 | - | - | XS/S | XS/S | XS/S | XS/S or M/L | XS/S or M/L | M/L | M/L | M/L | - | - |
| Sirrus | - | - | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - |
| Sopris Pro | Sopris | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - |
| Kresta 20, 30 | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - |
| 11" (28cm) | 12" (30.5cm) | 13" (33cm) | 14" (35.5cm) | 15" (38cm) | 16" (40.5cm) | 17" (43cm) | 18" (46cm) | 19" (48cm) | 20" (51cm) | 21" (53cm) | 22" (56cm) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mira | - | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - |
| Skimmer | - | - | - | - | O/S | O/S | O/S | O/S | - | - | - | - |
| Dyna LT, 6, 1.5 | SMALL (26-30" / 65-75 CM.) MEDIUM (30-35" / 75-90 CM.) LARGE (35-41" / 90-105 CM.) — CHEST MEASUREMENT | |||||||||||
| Dyna 15 | S/M (26-35" / 66-90 CM.) M/L (35-41" / 90-104 CM.) — CHEST MEASUREMENT | |||||||||||
| Raven | Raven Extended Fit | Sylva | Salida | Kitsuma | - | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - | - |
| 11" (28cm) | 12" (30.5cm) | 13" (33cm) | 14" (35.5cm) | 15" (38cm) | 16" (40.5cm) | 17" (43cm) | 18" (46cm) | 19" (48cm) | 20" (51cm) | 21" (53cm) | 22" (56cm) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fairview Travel Pack | - | - | - | - | O/S | O/S | O/S | O/S | O/S | - | - | - |
| Fairview Trek | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - |
| Ozone Duplex (W) | - | - | - | O/S | O/S | O/S | O/S | O/S | O/S | - | - | - |
Osprey running and biking vestpacks come in multiple sizes based on chest circumference. To find your size, measure the circumference of your chest at its widest part—across your chest/bust, just below the armpits and around your back. Then, locate your vestpack on the chart below and use your chest circumference measurement to choose the best size.
| Vestpack | Primary Use | Sizes Offered | Chest Circumference |
|---|---|---|---|
| Duro™ 6 | Duro 1.5 | Duro LT | Running | Men's Small Men's Medium Men's Large |
34.5-37 in / 88-94 cm 37-42.5 in / 94-108 cm 42.5-46.5 in / 108-118cm |
| Duro Pro 7 | Duro Pro 10 | Running | Men's Small Men's Medium Men's Large |
34.5-37 in / 88-94 cm 37-42.5 in / 94-108 cm 42.5-46.5 in / 108-118cm |
| Dyna 6 | Dyna 1.5 | Dyna LT | Running | Women's Small Women's Medium Women's Large |
31.5-35 in / 80-89 cm 35-38.8 in / 89-98 cm 38.5-42.5 in / 98-108 cm |
| Dyna Pro™ 7 | Dyna Pro 10 | Running | Women's Small Women's Medium Women's Large |
31.5-35 in / 80-89 cm 35-38.8 in / 89-98 cm 38.5-42.5 in / 98-108 cm |
| *Past-Season* Duro 6 | Duro 1.5 | Duro LT | Running | Men's Small Men's Medium Men's Large |
29.5-35 in / 75-90 cm 35-41 in / 90-105 cm 41-47 in / 105-120 cm |
| *Past-Season* Duro 15 | Running | Men's S/M Men's M/L |
29.5-41 in / 75-105 cm 41-47 in / 105-120 cm |
| *Past-Season* Dyna 6 | Dyna 1.5 | Dyna LT | Running | Women's Small Women's Medium Women's Large |
26-29.5 in / 65-75 cm 29.5-35 in / 75-90 cm 35-41 in / 90-105 cm |
| *Past-Season* Dyna 15 | Running | Women's S/M Women's M/L |
26-35 in / 65-90 cm 35-41 in / 90-105 cm |
| Escapist Velocity 3 | Biking | Unisex S/M Unisex L/XL |
26.5-36 in / 67-92 cm 35-47 in / 89-119 cm |
| Escapist Velocity 6 | Biking | Unisex S/M Unisex L/XL |
26.5-36 in / 67-92 cm 35-47 in / 89-119 cm |
